Excitedly, they rushed to the locked door and tried the key. It wouldn't turn. They tried again and again, but the key wouldn't budge.
"We need to find another way out," Mac said, frustrated.
They searched the room again, hoping to find another clue. This time, they noticed a small air vent near the ceiling.
"Maybe we can climb up there and crawl out," Jake said, pointing to the vent.